Unitron 12100 Series Скачать руководство пользователя

Страница: 18 / 20

12100 POLARIZING MICROSCOPE SERIES

UNITRON

TROUBLESHOOTING

(continued)

IMAGE

Problem

Cause

Corrective Measure

Poor image quality

No cover glass attached to the slide

Cover glass is too thick or thin

Slide maybe upside down

Condenser aperture is closed or
open too much

Condenser is positioned too low

Attach a 0.17mm cover glass

Use a cover glass of the
appropriate thickness (0.17mm)

Turn slide over so the cover
glass faces up

Open or close properly

Position the condenser slightly
lower than the upper limit

Image moves while focusing

Revolving nosepiece is not in the
click-stop position

Revolve the nosepiece to the
click-stop position

Image tinged yellow

Lamp intensity is too low

Blue filter not used

Adjust the light intensity by
rotating the intensity control dial
and/or iris diaphragm

Use daylight blue filter

Image is too bright

Lamp intensity is too high

Adjust the light intensity by
rotating the intensity control dial
and/or iris diaphragm

Insufficient brightness

Lamp intensity is too low

Aperture diaphragm closed too far
Condenser position too low

Adjust the light intensity by
rotating the intensity control dial
and/or iris diaphragm
Open to the proper setting

Position the condenser slightly
lower than the upper limit

Содержание 12100 Series

Страница 1: ...12100 Polarizing MICROSCOPE SERIES MANUAL 100 Lauman Lane Suite A Hicksville NY 11801 Tel 877 877 7274 Fax 516 801 2046 Email Info nyscopes com www microscopeinternational com LVWULEXWHG E ...

Страница 2: ... MOUNTING THE VIEWING HEAD 9 MOUNTING THE CONDENSER 9 EYEPIECE INSTALLATION 9 COMPONENT SPECIFICATIONS 10 12 ADJUSTMENT AND OPERATION ADJUSTING INTERPUPILLARY DISTANCE 13 FOCUSING 13 ADJUSTING FOCUSING TENSION 14 ADJUSTING THE CONDENSER APERTURE DIAPHRAGM 14 CENTRATION 15 REPLACING THE FUSE 16 SPECIFICATIONS 16 TROUBLESHOOTING 19 MAINTENANCE 20 SERVICE 20 WARRANTY 20 ...

Страница 3: ...let A grounded 3 wire cord is provided CARE AND MAINTENANCE 1 Do not attempt to disassemble any component including eyepieces objectives or the focusing assembly 2 Keep the instrument clean remove dirt and debris regularly Accumulated dirt on metal surfaces should be cleaned with a damp cloth More persistent dirt should be removed using a mild soap solution Do not use organic solvents for cleaning...

Страница 4: ...roscope arrived packed in a molded shipping carton Do not discard the carton the shipping carton should be retained for reshipment of your microscope if needed Avoid placing the microscope in dusty surroundings or in high temperature or humid areas as mold and mildew can form The components of the 12100 Polarizing Microscope are shipped double boxed inside the inner cartons the microscope and its ...

Страница 5: ...r The clamp is accessible by removing the Illuminator Housing at the base of the mainframe To remove the clamp Grip the finger grooves on the sides of the housing and slide the housing off the microscope frame Use the hex key tool provided to remove the three screws securing the gold toned clamp NOTE Retain this clamp and screws for reuse in the event the microscope is reshipped Replace the Illumi...

Страница 6: ... 1 Binocular Head Objective Nosepiece Rotating Stage On Off Switch Lamp Intensity Control Knob Microscope Frame Fine Focusing Knob Nosepiece Standard Eyepiece Reticle Eyepiece Bertrand Lens Turret Bertrand Lens Centering Screw Analyzer Condenser Illuminator Housing ...

Страница 7: ...sion Adjustment Collar Coarse Focusing Knob Condenser Adjustment Knob Condenser Centering Screws Analyzer Rotator Wheel Analyzer Rotator Lock Screw Intermediate Tube Lock Screw Intermediate Tube Objective Centering Screw Stage Vernier With Lock Screw Condenser Swing out Top Lens Condenser ...

Страница 8: ...mounting flange This pin must engage the corresponding slot on the top flange of the Bertrand Analyzer assembly Secure the viewing head by tightening the hex type set screw on the right side of the Bertrand Analyzer assembly Mounting The Condenser The condenser incorporates a registration pin on its mounting flange This pin engages a corresponding groove in the condenser mounting bracket Bertrand ...

Страница 9: ...ed RIGHT Turn the top of the Measuring eyepiece with reticle clockwise until it stops and is in its lowest position Before inserting the eyepiece look through the eyepiece to determine the correct orientation of the scale i e it should be horizontal and readable Insert the eyepiece into the right eyepiece tube by aligning the notches on the eyepiece slightly to the left of the tabs on the eyepiece...

Страница 10: ... 0 17 light blue 60x optional 0 8 0 17 0 3 light blue Component Description Viewing Head Seidentopf binocular or Trinocular depending on model ordered Eyepieces WF10x 20mm field of view with 5 to 5 diopter adjustment Two eyepieces are supplied 10x Standard eyepiece no reticle 10x Measuring eyepiece with 0 1mm division horizontal scale and vertical crosshair Also supplied Plain 20mm field stop eyep...

Страница 11: ...late is placed in the optic path Pulling the slider fully out introduces a 1 4λ retarder This plate is used to amplify very weak birefringence and the determination of x and y of the specimen 2 The Quartz Wedge Compensation Plate is installed in the DIN accessory slot to enable an approximation of the retardation in the range of 1 6 Lambda Rotatable stage The stage diameter is 160mm It incorporate...

Страница 12: ...bracket It has a 360 scale When set to 0 zero degrees the orientation of polarization is East to West There are detents at 0 90 180 and 270 degrees A lock screw permits it to be secured in any orientation Illuminator Housing The slide out illuminator housing is easily removable for access to the LED bulb and the shipping clamp installed prior to shipping the microscope to protect the focus mechani...

Страница 13: ...se operator fatigue and will disrupt the objective parfocality Focusing To ensure that you obtain sharp images with both eyes since eyes vary especially for those wearing glasses any eyesight variation can be corrected in the following manner Select the 10x objective Place a specimen on the stage and secure it with the stage clips Set both eyepiece diopter collars to 0 The right eyepiece contains ...

Страница 14: ...r counter clockwise to reduce tension according to individual preference Adjusting the Condenser Aperture Diaphragm The condenser contains an iris type variable diaphragm usually referred to as the microscope s Aperture Diaphragm The diameter of the aperture opening is controlled by moving the control lever that projects from the front of the condenser housing The scale facilitates the setting of ...

Страница 15: ... may be necessary to repeat steps 7 and 8 several times The factory specification for centration is approximately 2 div of the Measuring eyepiece horizontal scale 10 Remove the two stage centering tools when satisfied with the centration 11 Tighten the stage rotation clamp thumbscrew The stage now rotates on the optic axis of the 10x objective Do not move the specimen OBJECTIVES NOTE The following...

Страница 16: ...l flat head screwdriver and insert it into the notch on the bottom of the plug receptacle on the back of the microscope and pull it toward you to slide the fuse holder out Press the tab on the bottom of the fuse holder to release the fuse Insert a new fuse into the holder and slide the fuse holder back into the bottom of the plug receptacle making sure it is firmly in place ...

Страница 17: ...iew field Dirt on the specimen Clean specimen Dirt on the surfaces of eyepieces Clean eyepieces Image is not clear Dirt on the surface of objectives Clean objectives Image is not clear while focusing change Diopter adjustment is not correct Readjust diopter Focusing is not correct Readjust it The focusing knob does not turn smoothly The focusing knob is too tight Loosen it to a suitable position D...

Страница 18: ...es while focusing Revolving nosepiece is not in the click stop position Revolve the nosepiece to the click stop position Image tinged yellow Lamp intensity is too low Blue filter not used Adjust the light intensity by rotating the intensity control dial and or iris diaphragm Use daylight blue filter Image is too bright Lamp intensity is too high Adjust the light intensity by rotating the intensity...

Страница 19: ... Cover glass is to thick Diopter adjustment is not set properly Turn the slide over so the cover glass faces up Use a 0 17mm cover glass Readjust the diopter settings as outlined in section 4 3 Lamp does not light when switched on No electrical power Lamp bulb burnt out Fuse blown out Check power cord connection Replace bulb Replace fuse Slippage of focus when using the coarse focusing knob Tensio...

Страница 20: ... workmanship for a period of five 5 years for mechanical and optical components and one 1 year for electrical components from the date of invoice to the original end user purchaser This warranty does not cover damage caused in transit misuse neglect abuse or damage resulting from improper servicing or modification by other then UNITRON approved service personnel This warranty does not cover any ro...

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